76528733 has 4 divisors (see below), whose sum is σ = 76685088. Its totient is φ = 76372380.

The previous prime is 76528721. The next prime is 76528741. The reversal of 76528733 is 33782567.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76528733 - 2¹⁰ = 76527709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76528633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77441 + ... + 78422.

It is an arithmetic number, because the mean of its divisors is an integer number (19171272).

Almost surely, 2^76528733 is an apocalyptic number.

It is an amenable number.

76528733 is a deficient number, since it is larger than the sum of its proper divisors (156355).

76528733 is a wasteful number, since it uses less digits than its factorization.

76528733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156354.

The product of its digits is 211680, while the sum is 41.

The square root of 76528733 is about 8748.0702443453. The cubic root of 76528733 is about 424.5623786028.

The spelling of 76528733 in words is "seventy-six million, five hundred twenty-eight thousand, seven hundred thirty-three".